Audio transmitter



FIG. 1 is a front and top perspective view of an audio transmitter, showing our new design;

FIG. 2 is a rear and bottom perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines in the figures illustrate portions of the audio transmitter that form no part of the claimed design. 

CLAIM The ornamental design for an audio transmitter, as shown and described. 